User`s manual

MANO110 Series Mini ITX Board User’s Manual
Watchdog Timer
59
A1.2 Example Program Code
The sample code is for debug.exe. Sample code is index port
2E hex, data port 2F hex and time-out value 30 second.
A1.2.1 Set and Start Up The Watchdog Timer
Unlock Super I/O
O 2E 87
O 2E 87

Set WDTO Multifunction Pin Definition
O 2E 2B
O 2F 10

Select Logic Device 7
O 2E 07
O 2F 07

Active Logic Device
O 2E 30
O 2F 01

Enable WDT
O 2E F0
O 2F 80
Set WDT Time-out Value is 30
O 2E F6
O 2F 1E

Enable WDT Counting And setting Mode is: Second Mode/Output mode
Pulse, Pulse width 25
O 2E F5
O 2F 31

Lock Super I/O
O 2E AA